Yes
Of course not.it can only mate with killer whales.if it does not the killer whale might start acting like the other whale.
Yes
yes they can but it depends wich whale is female No, killer whales and blue whales differ in size greatly, also, Killer whales (Orcas) are actually Dolphins.
Same as any other whale.
yes
No. Humpback whales are considered to be very promiscuous.
Killer whales frequently live in groups called pods. At a certain time of the year, these pods get together. The males from one pod will move into different pods and mate with the females in other pods. Then they go their different ways.
No. Panthers are animals that are alone except when they mate.
yes
no
A Beluga whale mates the same way any other whale would mate.
Not life. A week or two, maybe.